Messages in this thread | | | Date | Tue, 10 Dec 2013 19:08:44 +0800 | From | Nicolin Chen <> | Subject | Re: [PATCH v2 2/2] ASoC: fsl: imx-wm8962: Grant hw_params/free() permission to control FLL |
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On Tue, Dec 10, 2013 at 11:15:05AM +0000, Mark Brown wrote: > On Tue, Dec 10, 2013 at 06:51:36PM +0800, Nicolin Chen wrote: > > On Tue, Dec 10, 2013 at 10:47:45AM +0000, Mark Brown wrote: > > > > For this sort of question you should follow the DAPM graph... the > > > headphone and speaker mixers have IN4 and MIXIN as inputs for analogue > > > bypass and the STL and STR paths provide digital sidetones through the > > > ADC and DAC. > > > So I could test it merely by using 'amixer cset' to enable those switches > > without doing anything to power WM8962 up as long as my operation follows > > the DAPM graph so that the DPAM would automatically turn on the regulator > > for me? > > Yes, as soon as you have a complete path from an active input to an > active output the path should get powered up.
I'll try again tomorrow. Thank you sir.
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